friction yielding prop  黏着力

mechanical yielding prop  机械化

yielding prop  可缩支架; 可缩性支柱

Yielding Steel Arch  让压性金属支架

Lattice steel prop  格构式钢支柱

mould steel steel material  型材

Stainless Steel Steel Clad Plate  不锈钢-钢复合板

Stainless Steel-steel  不锈钢─钢复合板

steel prop  铁柱; 四元合金钢; 钢支柱; 钢支撑

steel steel pair  钢-钢摩擦副

steel steel structure equipment  钢结构

steel-steel brazed component  钢-钢钎焊件

steel-steel friction pair  钢-钢摩擦副

steel-steel frictional pair  钢-钢摩擦副

steel-steel pair  钢-钢摩擦副

Tubular Steel Prop  钢管支柱

Bao Steel Group Meishan Iron and Steel Corporation  部分水解聚丙烯酰胺(HPAM); 宝钢集团梅山钢铁公司

Carbon Steel and Low Alloy Steel  碳钢及低合金钢

carbon steel low alloy steel  碳钢和低合金钢